Merge branch 'mlx4-fixes'

Tariq Toukan says:

====================
mlx4 fixes for 4.20-rc

This patchset includes small fixes for the mlx4_en driver.

First patch by Eran fixes the value used to init the netdevice's
min_mtu field.
Please queue it to -stable >= v4.10.

Second patch by Saeed adds missing Kconfig build dependencies.

Series generated against net commit:
35b827b6 tun: forbid iface creation with rtnl ops
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx4/Kconfig

@@ -5,7 +5,7 @@
 config MLX4_EN
 	tristate "Mellanox Technologies 1/10/40Gbit Ethernet support"
 	depends on MAY_USE_DEVLINK
-	depends on PCI
+	depends on PCI && NETDEVICES && ETHERNET && INET
 	select MLX4_CORE
 	imply PTP_1588_CLOCK
 	---help---

drivers/net/ethernet/mellanox/mlx4/en_netdev.c

@@ -3493,8 +3493,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 		dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM;
 	}
 
-	/* MTU range: 46 - hw-specific max */
-	dev->min_mtu = MLX4_EN_MIN_MTU;
+	/* MTU range: 68 - hw-specific max */
+	dev->min_mtu = ETH_MIN_MTU;
 	dev->max_mtu = priv->max_mtu;
 
 	mdev->pndev[port] = dev;

drivers/net/ethernet/mellanox/mlx4/mlx4_en.h

@@ -161,7 +161,6 @@
 #define MLX4_SELFTEST_LB_MIN_MTU (MLX4_LOOPBACK_TEST_PAYLOAD + NET_IP_ALIGN + \
 				  ETH_HLEN + PREAMBLE_LEN)
 
-#define MLX4_EN_MIN_MTU		46
 /* VLAN_HLEN is added twice,to support skb vlan tagged with multiple
  * headers. (For example: ETH_P_8021Q and ETH_P_8021AD).
  */